#pragma once
#include<iostream>
#include<assert.h>
#include<vector>
using namespace std;

namespace gugu
{
	template<class T, size_t N = 10>
	class array
	{
	public:
		size_t size() const;
	private:
		T _array[N];
		size_t _size = 0;
	};
	void func();
}